Schlage NDE Commercial Wireless Prox Lock With Engage Technology and 5 Free AptiQ Proximity Cards Designed to be the easiest electronic lock to install, connect, manage, and use Multi-technology reader works with most major band proximity and smart card credentials Manage lock configuration and users from anywhere using the ENGAGE web and mobile apps 1 Send updates manually at the lock via Bluetooth or automatically daily when connected to Wi-Fi Up to 2 years of battery life with 4 AA batteries & Rated for Interior and Exterior Use